/Engine/Source/Runtime/Engine/Classes/GameFramework/RootMotionSource.h
Generates root motion by accumulating transforms through current root motion sources.
void PrepareRootMotion ( float DeltaTime, const [ACharacter](API\Runtime\Engine\GameFramework\ACharacter) & Character, const [UCharacterMovementComponent](API\Runtime\Engine\GameFramework\UCharacterMovementComponent) & InMoveComponent, bool bForcePrepareAll )